0 Members and 1 Guest are viewing this topic.
or the plug is damaged enough that at 3800 it doesnt through a hot enough or any spark and\or boost is blowing it out. easy test is fresh plugs gapped at 25 or your liking.
x2 on the copper NGK plugs - Outfront says: ZFR6F-11 gapped to .025What ECU are you running? Can you access it see the data settings?
interesting readhttp://www.yellowbullet.com/forum/showthread.php?t=348637
is this where your ecu come from?? http://www.linkecu.com/products/plugin-ecus/subaru/
Does it rev to 3800 nice and crisp and then start crapping out or does it run sluggish to 3800 and then just fall completely on its' face?